Backlight module and related light emitting electronic device

A light emitting electronic device comprising:

• a casing;
• and
• a backlight module disposed on the casing, the backlight module comprising:
• a circuit board;
• a light emitting component disposed on the circuit board;
• a light guiding component having a first surface, a second surface and a third surface, the second surface being farther away from the circuit board than the first surface;
• a first light reflecting component covering at least a portion of the first surface of the light guiding component;
• and
• a second light reflecting component comprising:
• a first light reflecting portion extending along a first direction, the first light reflecting portion covering at least a portion of the second surface of the light guiding component;
• and
• a second light reflecting portion connected to the first light reflecting portion, the second light reflecting portion extending along a second direction different from the first direction, the second light reflecting portion being located corresponding to the third surface of the light guiding component.